chore: update deps
This commit is contained in:
34
node_modules/csso/cjs/restructure/prepare/createDeclarationIndexer.cjs
generated
vendored
Normal file
34
node_modules/csso/cjs/restructure/prepare/createDeclarationIndexer.cjs
generated
vendored
Normal file
@ -0,0 +1,34 @@
|
||||
'use strict';
|
||||
|
||||
const cssTree = require('css-tree');
|
||||
|
||||
class Index {
|
||||
constructor() {
|
||||
this.map = new Map();
|
||||
}
|
||||
resolve(str) {
|
||||
let index = this.map.get(str);
|
||||
|
||||
if (index === undefined) {
|
||||
index = this.map.size + 1;
|
||||
this.map.set(str, index);
|
||||
}
|
||||
|
||||
return index;
|
||||
}
|
||||
}
|
||||
function createDeclarationIndexer() {
|
||||
const ids = new Index();
|
||||
|
||||
return function markDeclaration(node) {
|
||||
const id = cssTree.generate(node);
|
||||
|
||||
node.id = ids.resolve(id);
|
||||
node.length = id.length;
|
||||
node.fingerprint = null;
|
||||
|
||||
return node;
|
||||
};
|
||||
}
|
||||
|
||||
module.exports = createDeclarationIndexer;
|
45
node_modules/csso/cjs/restructure/prepare/index.cjs
generated
vendored
Normal file
45
node_modules/csso/cjs/restructure/prepare/index.cjs
generated
vendored
Normal file
@ -0,0 +1,45 @@
|
||||
'use strict';
|
||||
|
||||
const cssTree = require('css-tree');
|
||||
const createDeclarationIndexer = require('./createDeclarationIndexer.cjs');
|
||||
const processSelector = require('./processSelector.cjs');
|
||||
|
||||
function prepare(ast, options) {
|
||||
const markDeclaration = createDeclarationIndexer();
|
||||
|
||||
cssTree.walk(ast, {
|
||||
visit: 'Rule',
|
||||
enter(node) {
|
||||
node.block.children.forEach(markDeclaration);
|
||||
processSelector(node, options.usage);
|
||||
}
|
||||
});
|
||||
|
||||
cssTree.walk(ast, {
|
||||
visit: 'Atrule',
|
||||
enter(node) {
|
||||
if (node.prelude) {
|
||||
node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate
|
||||
node.prelude.id = cssTree.generate(node.prelude);
|
||||
}
|
||||
|
||||
// compare keyframe selectors by its values
|
||||
// NOTE: still no clarification about problems with keyframes selector grouping (issue #197)
|
||||
if (cssTree.keyword(node.name).basename === 'keyframes') {
|
||||
node.block.avoidRulesMerge = true; /* probably we don't need to prevent those merges for @keyframes
|
||||
TODO: need to be checked */
|
||||
node.block.children.forEach(function(rule) {
|
||||
rule.prelude.children.forEach(function(simpleselector) {
|
||||
simpleselector.compareMarker = simpleselector.id;
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return {
|
||||
declaration: markDeclaration
|
||||
};
|
||||
}
|
||||
|
||||
module.exports = prepare;
|
101
node_modules/csso/cjs/restructure/prepare/processSelector.cjs
generated
vendored
Normal file
101
node_modules/csso/cjs/restructure/prepare/processSelector.cjs
generated
vendored
Normal file
@ -0,0 +1,101 @@
|
||||
'use strict';
|
||||
|
||||
const cssTree = require('css-tree');
|
||||
const specificity = require('./specificity.cjs');
|
||||
|
||||
const nonFreezePseudoElements = new Set([
|
||||
'first-letter',
|
||||
'first-line',
|
||||
'after',
|
||||
'before'
|
||||
]);
|
||||
const nonFreezePseudoClasses = new Set([
|
||||
'link',
|
||||
'visited',
|
||||
'hover',
|
||||
'active',
|
||||
'first-letter',
|
||||
'first-line',
|
||||
'after',
|
||||
'before'
|
||||
]);
|
||||
|
||||
function processSelector(node, usageData) {
|
||||
const pseudos = new Set();
|
||||
|
||||
node.prelude.children.forEach(function(simpleSelector) {
|
||||
let tagName = '*';
|
||||
let scope = 0;
|
||||
|
||||
simpleSelector.children.forEach(function(node) {
|
||||
switch (node.type) {
|
||||
case 'ClassSelector':
|
||||
if (usageData && usageData.scopes) {
|
||||
const classScope = usageData.scopes[node.name] || 0;
|
||||
|
||||
if (scope !== 0 && classScope !== scope) {
|
||||
throw new Error('Selector can\'t has classes from different scopes: ' + cssTree.generate(simpleSelector));
|
||||
}
|
||||
|
||||
scope = classScope;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case 'PseudoClassSelector': {
|
||||
const name = node.name.toLowerCase();
|
||||
|
||||
if (!nonFreezePseudoClasses.has(name)) {
|
||||
pseudos.add(`:${name}`);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case 'PseudoElementSelector': {
|
||||
const name = node.name.toLowerCase();
|
||||
|
||||
if (!nonFreezePseudoElements.has(name)) {
|
||||
pseudos.add(`::${name}`);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case 'TypeSelector':
|
||||
tagName = node.name.toLowerCase();
|
||||
break;
|
||||
|
||||
case 'AttributeSelector':
|
||||
if (node.flags) {
|
||||
pseudos.add(`[${node.flags.toLowerCase()}]`);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case 'Combinator':
|
||||
tagName = '*';
|
||||
break;
|
||||
}
|
||||
});
|
||||
|
||||
simpleSelector.compareMarker = specificity(simpleSelector).toString();
|
||||
simpleSelector.id = null; // pre-init property to avoid multiple hidden class
|
||||
simpleSelector.id = cssTree.generate(simpleSelector);
|
||||
|
||||
if (scope) {
|
||||
simpleSelector.compareMarker += ':' + scope;
|
||||
}
|
||||
|
||||
if (tagName !== '*') {
|
||||
simpleSelector.compareMarker += ',' + tagName;
|
||||
}
|
||||
});
|
||||
|
||||
// add property to all rule nodes to avoid multiple hidden class
|
||||
node.pseudoSignature = pseudos.size > 0
|
||||
? [...pseudos].sort().join(',')
|
||||
: false;
|
||||
}
|
||||
|
||||
module.exports = processSelector;
|
133
node_modules/csso/cjs/restructure/prepare/specificity.cjs
generated
vendored
Normal file
133
node_modules/csso/cjs/restructure/prepare/specificity.cjs
generated
vendored
Normal file
@ -0,0 +1,133 @@
|
||||
'use strict';
|
||||
|
||||
const cssTree = require('css-tree');
|
||||
|
||||
function ensureSelectorList(node) {
|
||||
if (node.type === 'Raw') {
|
||||
return cssTree.parse(node.value, { context: 'selectorList' });
|
||||
}
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
function maxSpecificity(a, b) {
|
||||
for (let i = 0; i < 3; i++) {
|
||||
if (a[i] !== b[i]) {
|
||||
return a[i] > b[i] ? a : b;
|
||||
}
|
||||
}
|
||||
|
||||
return a;
|
||||
}
|
||||
|
||||
function maxSelectorListSpecificity(selectorList) {
|
||||
return ensureSelectorList(selectorList).children.reduce(
|
||||
(result, node) => maxSpecificity(specificity(node), result),
|
||||
[0, 0, 0]
|
||||
);
|
||||
}
|
||||
|
||||
// §16. Calculating a selector’s specificity
|
||||
// https://www.w3.org/TR/selectors-4/#specificity-rules
|
||||
function specificity(simpleSelector) {
|
||||
let A = 0;
|
||||
let B = 0;
|
||||
let C = 0;
|
||||
|
||||
// A selector’s specificity is calculated for a given element as follows:
|
||||
simpleSelector.children.forEach((node) => {
|
||||
switch (node.type) {
|
||||
// count the number of ID selectors in the selector (= A)
|
||||
case 'IdSelector':
|
||||
A++;
|
||||
break;
|
||||
|
||||
// count the number of class selectors, attributes selectors, ...
|
||||
case 'ClassSelector':
|
||||
case 'AttributeSelector':
|
||||
B++;
|
||||
break;
|
||||
|
||||
// ... and pseudo-classes in the selector (= B)
|
||||
case 'PseudoClassSelector':
|
||||
switch (node.name.toLowerCase()) {
|
||||
// The specificity of an :is(), :not(), or :has() pseudo-class is replaced
|
||||
// by the specificity of the most specific complex selector in its selector list argument.
|
||||
case 'not':
|
||||
case 'has':
|
||||
case 'is':
|
||||
// :matches() is used before it was renamed to :is()
|
||||
// https://github.com/w3c/csswg-drafts/issues/3258
|
||||
case 'matches':
|
||||
// Older browsers support :is() functionality as prefixed pseudo-class :any()
|
||||
// https://developer.mozilla.org/en-US/docs/Web/CSS/:is
|
||||
case '-webkit-any':
|
||||
case '-moz-any': {
|
||||
const [a, b, c] = maxSelectorListSpecificity(node.children.first);
|
||||
|
||||
A += a;
|
||||
B += b;
|
||||
C += c;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
// Analogously, the specificity of an :nth-child() or :nth-last-child() selector
|
||||
// is the specificity of the pseudo class itself (counting as one pseudo-class selector)
|
||||
// plus the specificity of the most specific complex selector in its selector list argument (if any).
|
||||
case 'nth-child':
|
||||
case 'nth-last-child': {
|
||||
const arg = node.children.first;
|
||||
|
||||
if (arg.type === 'Nth' && arg.selector) {
|
||||
const [a, b, c] = maxSelectorListSpecificity(arg.selector);
|
||||
|
||||
A += a;
|
||||
B += b + 1;
|
||||
C += c;
|
||||
} else {
|
||||
B++;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
// The specificity of a :where() pseudo-class is replaced by zero.
|
||||
case 'where':
|
||||
break;
|
||||
|
||||
// The four Level 2 pseudo-elements (::before, ::after, ::first-line, and ::first-letter) may,
|
||||
// for legacy reasons, be represented using the <pseudo-class-selector> grammar,
|
||||
// with only a single ":" character at their start.
|
||||
// https://www.w3.org/TR/selectors-4/#single-colon-pseudos
|
||||
case 'before':
|
||||
case 'after':
|
||||
case 'first-line':
|
||||
case 'first-letter':
|
||||
C++;
|
||||
break;
|
||||
|
||||
default:
|
||||
B++;
|
||||
}
|
||||
break;
|
||||
|
||||
// count the number of type selectors ...
|
||||
case 'TypeSelector':
|
||||
// ignore the universal selector
|
||||
if (!node.name.endsWith('*')) {
|
||||
C++;
|
||||
}
|
||||
break;
|
||||
|
||||
// ... and pseudo-elements in the selector (= C)
|
||||
case 'PseudoElementSelector':
|
||||
C++;
|
||||
break;
|
||||
}
|
||||
});
|
||||
|
||||
return [A, B, C];
|
||||
}
|
||||
|
||||
module.exports = specificity;
|
Reference in New Issue
Block a user